42075037 has 2 divisors, whose sum is σ = 42075038. Its totient is φ = 42075036.

The previous prime is 42075023. The next prime is 42075041. The reversal of 42075037 is 73057024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28451556 + 13623481 = 5334^2 + 3691^2 .

It is a cyclic number.

It is not a de Polignac number, because 42075037 - 2⁷ = 42074909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42074996 and 42075014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42075337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21037518 + 21037519.

It is an arithmetic number, because the mean of its divisors is an integer number (21037519).

Almost surely, 2^42075037 is an apocalyptic number.

It is an amenable number.

42075037 is a deficient number, since it is larger than the sum of its proper divisors (1).

42075037 is an equidigital number, since it uses as much as digits as its factorization.

42075037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 42075037 is about 6486.5273451979. The cubic root of 42075037 is about 347.8095497525.

It can be divided in two parts, 420 and 75037, that added together give a palindrome (75457).

The spelling of 42075037 in words is "forty-two million, seventy-five thousand, thirty-seven".